Super A cubic-inch displacement?

Here's what I DO know-
the tractor ser. no. is FAA 269499, which makes it a '49.
There's a cast-number on the right of the engine (under the cast-'firing order'), which is 251069 R1.
Any info to be gleaned from these? or suggestions where to look?
Thanks!

Have you checked just under No. 1 plug on block for engine serial number? A 49 should have a serial number on block very close to tractor serial number. Does your tractor have a water pump as that would have been added on a 49? How about the casting codes on various castings? Fact still remains there is only one way to know if someone changed tractor engine to a larger bore.

I'm not sure that having the wrong book in this case is going to affect you a whole lot. You could probably get on phone or e mail with someone for 5 min. and record all that is different.

engine ser. no: FAAM 269920 G

Tractor ser. no: FAA 269499

Guess it's a 113.
My appreciation to you both.
Any significance to the "M" and the "G"?
Gas engine, likely?

Another question, and this arises from a discussion back about two months ago. I was advised that all C-113, pre 51 blocks will take 3-1/8" bore sleeves and that the later block will indeed take the thick 3" bore, 3-1/8" bore as well as 3-1/4" bore as in C-135 engine. Not sure that I am a believer. I'd like to here your comments.

The tractor has presurized thermosyphon cooling, radiator is original, fan is original. Carb and distributor have been rebuilt.

The tractor does have 9.5x24 tires. My 130 and 140 have 12.4x24 and 11.2x24 respectively. Where traction is not a problem that little SA will still give 130 and 140 a run for the money on a drawbar pull. I have a 17 tooth S tine 1 point hitch field cultivator. It will stop any of these tractors if you drop it. Super A will lug that in 2nd gear and do it just as easy as 130 and 140. And yes you can hear the kettle boil when you shut her down from that. So much for C-123 and the extra horse power.

My 130 and 140 both have C-123 stamped on block, bearing out what you say. To clarify, which of 3", 3-1/8" and 3-1/4 piston sleeve set will fit these various blocks?

The 251069 block has 3-5/16" sleeve OD (at the O-ring) and originally had standard sleeve and 3" bore (C-113). The overbore kits are thin sleeve with 3-1/8" bore (C-123).

The 354898 block has 3-7/16" sleeve OD and (we now know) came in two standard configurations: 1- standard sleeve with 3-1/8" bore (C-123 Super C); or 2- thick sleeve and 3" bore (C-113 in late Super A). The overbore kits are thin sleeve with 3-1/4" bore (~C-133).

It gets more interesting when the x30 series came out. 130/140 and 230/240 tractors came with C-123 that used the thin sleeve 3-1/8" piston/sleeve set from the factory (3-1/8" bore and 3-5/16" sleeve OD). I have been told that IH's overbore kits for the C-113 would not interchange with the factory kits for the x30/x40 series, but I know that the aftermarket ones do interchange. My guess is that they changed the depth from the bottom of the sleeve that the O-ring seats at and the aftermarket kits handle the deeper ones so they can be used in either?

My 230 has block number 366204R1 eng num 39465; my spare 240U block is 367825R2 eng num 75014; my 140 block is also 367825R2 eng num 101390. The parts book shows a change at eng num 65000. I assume that is the 366204 to 367825 block change that changed the front of the block for the new style water pump and they received the new style crankshaft that used a nut to hold the front pulley on instead of the press fit system. This new pulley uses a thinner fan belt also.

The important thing to remember is that you need the sleeve OD when ordering sleeves, it should be one or the other and most kits offered today are all the overbore thin-sleeve kits either 3-1/8" (for the 251069) or 3-1/4" (for the 354898). It does help to pull the old sleeves and measure because of the possibility of custom machine work being done over the years. I know of several C-113 blocks that were bored to allow use of the 3-7/16" OD sleeve kits.

I have still not had one here to play with yet, but assume the C-135 is a 3-7/16" sleeve OD with 3-1/4" bore. But I no longer assume that the 354898 overbore sleeves will intechange. From the part numbers they appear to be unique. Even the aftermarket kits do not show overlap.

Last question for you is what is the engine prefix letters on your Super A, FCM or FAAM or ? All the blocks with the C-123 cast designator don't use the stamped prefix letters anymore. I think the C-123 acts as the prefix identifier.
Stan(VA).

I briefly looked at tractors and see I need to clean off some crud to get part numbers from 130 and 140. Also, and I didn't spend much time, but the letters on Super A, FCM or FAAM, I didn't spot quickly. Where are those located, just in case they don't pop up in front of me in morning? I have the tractor and engine serial numbers recorded on all my tractors. 130 is, tractor 9313 , engine 56651 and 140 is tractor 22157, engine 102230. As I said earlier they both have C-123 cast right into block.